Mechanical Engineering · HVAC

Commercial HVAC Engineering

Commercial HVAC engineering sizes and designs the heating, cooling, and ventilation systems for commercial buildings — calculating heating and cooling loads, selecting equipment, designing duct distribution, and producing PE-stamped mechanical permit drawings that comply with energy codes and ventilation standards.

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What This Engineering Scope Covers

Heating and cooling load calculations per ACCA Manual J or commercial methods
Equipment selection — RTUs, split systems, chillers, AHUs
Duct system design and sizing
Outside air and ventilation system design per ASHRAE 62.1
Exhaust system design for restrooms, kitchens, and specialty spaces
Thermostat and controls specification
Energy code compliance documentation
Duct insulation and sealing requirements
Multi-zone system design for mixed-use buildings
Hydronic heating and chilled water system design

What You Get

HVAC load calculations
PE-stamped mechanical permit drawings
Equipment schedules and specifications
Duct layout drawings
Energy code compliance documentation

How Apex Grid Handles This

Apex Grid Engineering is licensed in 49 states — every U.S. state except Alaska. Engineering stamping and licensure are confirmed for each project jurisdiction. We provide commercial hvac engineering as a standalone service or coordinated with structural, MEP, civil, and geotechnical engineering under one contract.

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Frequently Asked Questions

What does commercial HVAC Engineering cover?

This scope covers heating and cooling load calculations per ACCA Manual J or commercial methods, equipment selection — RTUs, split systems, chillers, AHUs, duct system design and sizing, and outside air and ventilation system design per ASHRAE 62.1.

What deliverables come with commercial HVAC Engineering?

Deliverables include HVAC load calculations, PE-stamped mechanical permit drawings, equipment schedules and specifications, duct layout drawings, and energy code compliance documentation.

Can this service stand alone?

Commercial HVAC Engineering is provided as a standalone service or coordinated with structural, MEP, civil, and geotechnical engineering under one contract.

How is licensure handled for this project?

Apex Grid Engineering is licensed in 49 states — every U.S. state except Alaska. Engineering stamping and licensure are confirmed for each project jurisdiction.

More Mechanical Engineering Services

Commercial Kitchen Exhaust Engineering

Make-Up Air System Engineering

Industrial Ventilation Engineering

HVAC Replacement Engineering

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Reviewed and sealed by licensed PEs. “Solid engineering and clear communication from start to finish.” — Jason Mitchell, Principal Architect

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